Re: impossible circuit

[Jared Mauch <jared () puck nether net>]

On Wed, Aug 13, 2008 at 02:27:33PM -0400, Andy Johnson wrote:
> > working, and keeps the dupes from coming back at us, because the ppp  
> > encapsulated packets aren't understood by Sprint's routers running [I  
> > assume] hdlc...so they can't forward the packets.
>
> AFAIK, routers don't just forward IP packets because they "see" them. 
> That destination MAC address needs to be set to something assigned to the 
> router doesn't it? Unless somehow they've crossed you into some sprint 
> router running IRB? That might be the only exception I can think of. 

        The circuit involved in this case is a DS3, whatever you get will be
processed on the other side unless it's blocked by uRPF or some sort
of ACL.

        - Jared


-- 
Jared Mauch  | pgp key available via finger from jared () puck nether net
clue++;      | http://puck.nether.net/~jared/  My statements are only mine.